2 pin soft rubber D-ring earpiece headset with push-to-talk (PTT) and built-in inline microphone for two-way radio communication. Designed with a large speaker unit for clear audio. Clip this hands-free earpiece onto your shirt for discreet and easy communication, ideal for security, retail, hospitality, law enforcement, nightclubs, bars, restaurants, hotels, bouncers, warehouses, and noisy environments. The earbud fits securely in the ear for private conversations. Features a built-in microphone and push-to-talk button. Compatible with two-way radios requiring a 2-pin plug (approximately 5/16 inch, standard 2-prong). Fits models including CLS Series, XTN Series, P100 Series, CP Series, DTR Series, P Series, PRO Series, XTN XU Series, XTN AX Series, Spirit Series, Spirit MU Series, Spirit MV Series, GP Series, SP Series, CT Series, RDV Series, RDU Series, and other models such as ECP100, EP450, AP10, AP50, AP73, PMR446, MagOne BPR40, AU1200, AV1200. Color: Black. Material: Plastic. Package includes: 10 x 2-pin earpiece. Light and display settings may cause slight color variations. Measurement error allowed: +/- 1-3 cm.